#!/usr/bin/python
#-*- coding:utf-8 -*-

import logging

# 创建一个logger 
logger = logging.getLogger('mytest')  
logger.setLevel(logging.DEBUG)

# 创建一个handler,用于写入日志文件 
fh = logging.FileHandler('test.log')
fh.setLevel(logging.DEBUG)

# 再创建一个handler,用于输出到控制台 
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)

# 定义handler的输出格式 
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
ch.setFormatter(formatter)

# 给logger添加handler 
logger.addHandler(fh)
logger.addHandler(ch)

# 记录一条日志 
logger.info('python logging test')


[root@localhost tmp]# python fun1.py 

2015-06-16 09:09:03,732 - mytest - INFO - python logging test

[root@localhost tmp]# cat test.log 

2015-06-16 09:09:03,732 - mytest - INFO - python logging test